Duncan & Sons' Building Maintenance, LLC

Duncan & Sons has been Knoxville’s trusted cleaning partner since 1989, offering comprehensive janitorial and building maintenance solutions for commercial, educational, and industrial facilities. Family-owned and mission-driven, they pride themselves on honesty, integrity, and a “heart of service,” forging long-term relationships with clients and staff alike. From scheduled office cleanings and day porter coverage to preventive maintenance, floor care, and specialty upholstery treatments, their tailored approach ensures every space stays pristine. As seven-time CITYVIEW Magazine Gold Winners for office cleaning, they blend local expertise with award-winning quality.